16893474 has 32 divisors (see below), whose sum is σ = 36738240. Its totient is φ = 5147712.

The previous prime is 16893449. The next prime is 16893479. The reversal of 16893474 is 47439861.

It is not an unprimeable number, because it can be changed into a prime (16893479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7509 + ... + 9495.

It is an arithmetic number, because the mean of its divisors is an integer number (1148070).

Almost surely, 2^16893474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16893474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18369120).

16893474 is an abundant number, since it is smaller than the sum of its proper divisors (19844766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16893474 is a wasteful number, since it uses less digits than its factorization.

16893474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2114.

The product of its digits is 145152, while the sum is 42.

The square root of 16893474 is about 4110.1671498858. The cubic root of 16893474 is about 256.5899581492.

The spelling of 16893474 in words is "sixteen million, eight hundred ninety-three thousand, four hundred seventy-four".